38% knows the answer to this question: "Operation Cedar Falls was a major war operation which occurred during which century? "

And do you know the answer to this one? "What date was declared International Workers' Day by Glover Cleveland and the Congress?"

62% knows the answer to this question: "What was the name of the first space shuttle to land on the Moon? "

And do you know the answer to this one? "Marseille and Bordeaux are cities in which European country?"

71% knows the answer to this question: "Which English county is abbreviated to Oxon? "

And do you know the answer to this one? "In which European city was Princess Diana killed in a 1997 car crash?"

51% knows the answer to this question: "The I in BMI stands for what? "

And do you know the answer to this one? "Who won the Nobel Peace Prize for his part in negotiating an end to US involvement in Vietnam?"

78% knows the answer to this question: "What does the M stand for in MRI scans? "

And do you know the answer to this one? "What is the name of the teeth which are sharp for cutting food?"

80% knows the answer to this question: "If you're talking about electricity, what does "DC" stand for? "

And do you know the answer to this one? "A variety of which of these flowers is often seen floating on a pond?"

53% knows the answer to this question: "Which company invented the frappuccino? "

And do you know the answer to this one? "On what continent is Ecuador situated?"

49% knows the answer to this question: "Which major harbor has a memorial to Hans Christian Anderson? "

And do you know the answer to this one? "In a 2010 Facebook popularity contest, Nickelback lost out to what cured cucumber?"

91% knows the answer to this question: "What country is shaped like a boot? "

And do you know the answer to this one? "What fiber comes from the cocoon of mulberry worms?"

43% knows the answer to this question: "Who sang the famous song "She’s Gone" (1976)? "

And do you know the answer to this one? "Who sang the famous song "Lay Down Sally" (1978)?"

82% knows the answer to this question: "Who sang the famous song "Ain’t Nothing Like The Real Thing" (1968)? "

And do you know the answer to this one? "Who sang the famous song "Judy’s Turn To Cry" (1963)?"

83% knows the answer to this question: "What is the name of the famous reef of the north coast of Australia? "

And do you know the answer to this one? "Which mythological Ancient Greek hero could be killed by wounding his heel?"